Kubota WSM STV32 Workshop Manual page 221

STV32 · STV36 · STV40, WSM
Steel Plate and Pressure Plate Wear
1. Measure the steel plate thickness with vernier calipers.
2. Measure the pressure plate thickness with vernier calipers.
3. If the thickness is less than the allowable limit, replace.
Factory spec.
Steel plate wear
Allowable limit
Factory spec.
Pressure plate wear
Allowable limit
Piston Return Spring Free Length and Tension
1. Measure the free length of the piston return spring with vernier
calipers.
2. Place the piston return spring on a spring compression tester
and compress to the specified length, and read the gauge.
3. If the measurement is less than the allowable limit, replace.
Piston / return spring
Factory spec.
free length
Factory spec.
Piston return spring
tension
Allowable limit
Clearance between Counter Shaft B and 27T Gear
1. Measure the counter shaft B O.D. with an outside micrometer.
2. Measure the 27T gear I.D. with an inside micrometer, and
calculate the clearance.
3. If the clearance exceeds the allowable limit, replace.
Factory spec.
Clearance between
counter shaft B and 27T
gear
Allowable limit
Counter shaft B O.D. Factory spec.
27T gear I.D. Factory spec.
(1) 27T Gear
3-S50
TRANSMISSION
0.95 to 1.05 mm
0.0374 to 0.0413 in.
0.8 mm
0.031 in.
1.95 to 2.05 mm
0.0768 to 0.0807 in.
1.8 mm
0.071 in.
0000007723E
44.0 mm
1.73 in.
638.7 N / 26 mm
65.13 kgf / 26 mm
143.6 lbs / 1.02 in.
539.4 N / 26 mm
55 kgf / 26 mm
121.3 lbs / 1.02 in.
0000007724E
0.040 to 0.082 mm
0.00157 to 0.00323 in.
0.1 mm
0.004 in.
24.959 to 24.980 mm
0.98264 to 0.98346 in.
25.020 to 25.041 mm
0.98504 to 0.98587 in.
(2) Counter Shaft B
0000007725E
KiSC issued 04, 2006 A